•
Is based on the dose-rate in the
central plane
of the
treatment volume as implanted.
•
The
basal dose-rate
is the
minimum dose-rate
between a group of sources in the central plane
Paris system: Dosimetry
7
1
B
D
2
B
D
3
B
D
1
B
D
2
B
D
TRIANGLE
SQUARE




